* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-green: #4CAF50;
    --primary-blue: #2196F3;
    --dark-bg: #0a1128;
    --darker-bg: #050814;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 17, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-text {
    font-size: 24px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 12px;
    font-weight: 300;
    letter-spacing: 2px;
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.btn-play-nav {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: white !important;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 700;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-play-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(76, 175, 80, 0.4);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 50px;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(76, 175, 80, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(33, 150, 243, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    width: 100%;
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.hero-title-main {
    display: block;
    font-size: clamp(40px, 8vw, 96px);
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease-out;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.hero-title-sub {
    display: block;
    font-size: clamp(20px, 4vw, 42px);
    font-weight: 300;
    letter-spacing: clamp(2px, 1vw, 8px);
    opacity: 0.9;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tagline {
    font-size: clamp(18px, 3vw, 28px);
    margin-bottom: 20px;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-description {
    font-size: clamp(14px, 2vw, 18px);
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.8;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.btn-primary-large {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    color: white;
    padding: 18px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}

.btn-primary-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.4);
}

.btn-secondary-large {
    background: transparent;
    color: white;
    padding: 18px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s;
    display: inline-block;
}

.btn-secondary-large:hover {
    border-color: var(--primary-green);
    background: rgba(76, 175, 80, 0.1);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 1s backwards;
}

.stat-box {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px 15px;
    transition: transform 0.3s, border-color 0.3s;
}

.stat-box:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
}

.stat-number {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.7;
}

/* Features Section */
.features {
    padding: 100px 20px;
    background: var(--darker-bg);
}

.section-title {
    text-align: center;
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 900;
    margin-bottom: 60px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px 30px;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-green);
    box-shadow: 0 10px 40px rgba(76, 175, 80, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* How to Play Section */
.how-to-play {
    padding: 100px 20px;
    background: var(--dark-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.step-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 900;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.step-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.tips-section {
    background: var(--card-bg);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 16px;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.tips-section h3 {
    font-size: 28px;
    margin-bottom: 25px;
    text-align: center;
}

.tips-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tips-list li {
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.8;
}

.tips-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: 900;
}

/* Game Modes Section */
.game-modes {
    padding: 100px 20px;
    background: var(--darker-bg);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.mode-card {
    background: var(--card-bg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.mode-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(76, 175, 80, 0.3);
}

.blitz-mode:hover {
    border-color: #FFD700;
}

.standard-mode:hover {
    border-color: var(--primary-blue);
}

.mode-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.mode-card h3 {
    font-size: 32px;
    margin-bottom: 10px;
}

.mode-time {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 20px;
}

.mode-card p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}

.mode-features {
    list-style: none;
    text-align: left;
}

.mode-features li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
}

.mode-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: 900;
}

/* CTA Section */
.cta-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(32px, 6vw, 52px);
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-content .btn-primary-large {
    background: white;
    color: var(--dark-bg);
    font-size: 20px;
    padding: 20px 50px;
}

.cta-content .btn-primary-large:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.cta-subtext {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 60px 20px 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a:not(.btn-play-nav) {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .modes-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}